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Chemistry · L3 · Sodium vs Chlorine — Shells and Groups

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Shell configurations for sodium and chlorine, and how each one's valence electron count links it to its periodic table group.

by @openstemUpdated Chemistry
Sodium atom11 protonsShells: 2, 8, 11 valence electroneasily lostGroup 1alkali metalsChlorine atom17 protonsShells: 2, 8, 77 valence electronseasily gainedGroup 17halogens

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